window.onload=function(){
			var oGun=document.getElementById('gun');
			var oUl=oGun.getElementsByTagName('ul')[0];
			var aLi=oUl.getElementsByTagName('li');
			var timer=null;
			var ispeed=-5;
			/*oUl.innerHTML+=oUl.innerHTML;*/
			oUl.style.width=aLi.length*aLi[0].offsetWidth+'px';
			function fnMove(){
				if(oUl.offsetLeft<-oUl.offsetWidth/2){
					oUl.style.left=0;
				}else if(oUl.offsetLeft>0){
					oUl.style.left=-oUl.offsetWidth/2+'px';
				}
				oUl.style.left=oUl.offsetLeft+ispeed+'px';
			}
			timer=setInterval(fnMove,90);
			
			
		}